import 'dotenv/config';
import http from 'http';
import fs from 'fs/promises';
import url from 'url';
import path from 'path';
const __filename = url.fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
console.log(__dirname, __filename);
const PORT = process.env.PORT
const server = http.createServer
    (async (req, res) => {

        try {
            if (req.method === 'GET') {
                let filePath;
                if (req.url === '/') {
                    filePath = path.join(__dirname, 'public', 'index.html');
                } else if (req.url === '/about') {
                    filePath = path.join(__dirname, 'public', 'about.html');

                } else {
                    res.writeHead(404, { 'Content-Type': 'text/html;charset=utf-8' });
                    res.end('<h1>页面未找到</h1>');
                    return;
                }
                const data = await fs.readfile(filePath);
                res.setHeader('Content-Type', 'text/html;charset=utf-8');
                res.writeHead(200);
                res.end(data);
            } else {
                res.writeHead(400, { 'Content-Type': 'text/html;charset=utf-8' });
                res.end('<h1>非法请求</h1>');

            }
        } catch (error) {
            console.log(error);
            res.writeHead(500, { 'Content-Type': 'text/html;charset=utf-8' });
            res.end('<h1>服务器错误</h1>');
        }


    });
server.listen(PORT, () => {
    console.log(`服务器已启动，监听端口${PORT}`);
});